ffi/util: implement isExecutable

To test if a path is an executable file.
benoit-pierre · Nov 21, 2024 · 6cfdb25 · 6cfdb25
1 parent 3de16ea
commit 6cfdb25
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/ffi/util.lua b/ffi/util.lua
@@ -744,4 +744,13 @@ function util.template(str, ...)
     return result
 end
 
+-- Check if `path` is an executable file.
+function util.isExecutable(path)
+    local attributes, err = lfs.attributes(path)
+    if not attributes or err ~= nil then
+        return false, err
+    end
+    return attributes.mode == "file" and C.access(path, C.X_OK + C.R_OK) == 0
+end
+
 return util